Usimsa eSIM Europe Review: Turkey & Greece Guide
Planning a trip to Europe? Here is my honest review of using Usimsa eSIM across Turkey and Greece, including a 20% discount link to save on your data.


My Honest Review of Usimsa eSIM
Complete with a 20% Discount Link
Hey there!
I'm DoitEvery, your go-to travel influencer
sharing handy tips and real stories from every corner of the world.
When planning an adventure abroad,
there's something just as crucial as booking flights and hotels:
getting your phone data sorted with a reliable eSIM or SIM card.
For my recent 20-day European getaway,
which took me to Istanbul, Turkey (Türkiye), and Crete, Greece,
I decided to try out the Usimsa eSIM.
To cut straight to the chase:
it was incredibly convenient being able to hop between countries
without ever having to swap out a physical SIM card.
Even when crossing from Türkiye to Greece,
it connected automatically without me having to fiddle with any settings,
allowing me to fully focus on enjoying my journey.
Over the past year, whether traveling to China, the Philippines, or Greece,
Usimsa eSIM has been my trusty companion.
Naturally, I secured mine before this trip, too.
Plus, there's a 20% discount offer running right now,
which is a fantastic way to shave a bit off your travel budget!
👉 Get Your 20% Off Usimsa eSIM Here
Written & Photographed by @ DoitEvery
Today's Post | |
1. | ▶ How's the connection on-site? My honest Usimsa Europe eSIM review |
2. | ▶ Is my phone compatible with Usimsa eSIM? |
3. | ▶ Is it hard to install? Easy eSIM setup guide |
4. | ▶ Final thoughts |
How's the Connection on the Ground?
My Honest Usimsa Europe eSIM Review

For this European escape,
I opted for Usimsa's "Europe 42 Countries" eSIM plan.
When you're country-hopping in Europe, eSIMs are
an absolute game-changer.
Normally, you'd have to buy a new physical SIM for different regions,
but with an eSIM, you don't have to swap physical chips at all.
That’s hands down its biggest perk.
The specific plan I chose
offered 3GB of high-speed data daily, followed by unlimited data at a reduced speed.

The moment I touched down at Istanbul Airport, I was connected instantly.
I used Google Maps, messaging apps, Instagram uploads,
web browsing, and even streaming YouTube videos
without a single hitch.

What blew me away was how seamless it was transitioning from Turkey to Greece—
no physical SIM swaps, no setting tweaks,
just instant connection. It was incredibly satisfying.
If your itinerary involves visiting multiple European nations,
I highly recommend this option.
It hooks up to the local network automatically.
It felt as effortless as traveling from New York to LA—
just pure convenience.

My experience on Crete, Greece,
was even more impressive.
Even in small, secluded towns like Plakias on Crete,
the data connection remained
incredibly stable.
I hardly experienced any internet-related stress
throughout my entire trip.


Just a quick tip: Europe eSIM plans
tend to go up in price the more countries they cover.
So, it’s best to choose a plan that precisely matches
your specific travel destinations.
In my experience,
if the price difference isn't huge, roaming networks actually provide a more reliable connection
compared to direct local budget lines.
Selecting the right data allowance is also key:
✔ If you only use it for maps, quick web searches,
and basic messaging
→ 1GB or 2GB daily should be plenty, but
✔ But if you love uploading social media stories and streaming videos,
→ going with 3GB+ daily is your safest bet.
👉Apply USIMSA eSIM 20% Discount Here
Can I use USIMSA eSIM on my phone?
Check eSIM Compatible Models for iPhone and Galaxy

Before buying an eSIM for your next trip abroad,
the very first thing you need to check is
whether your phone actually supports eSIMs!

For iPhone, most models starting from iPhone XS and XR
can use eSIMs flawlessly,
and for Galaxy, most of the latest models
in the S and Z series are supported too.
However, if your phone was purchased in
Mainland China, Hong Kong, or Macau,
it might not support eSIM,
so please check the chart above carefully.

But hey, if your phone doesn't support eSIM,
no need to worry at all!
USIMSA also sells physical USIM cards,
so you can easily choose
the best option for your device.
Just check your device compatibility before buying,
and you're good to go! It's that easy.
Is it hard to install the USIMSA eSIM? Here's how to use it!
How to use and install USIMSA eSIM

Even if you're a first-time eSIM user,
it's surprisingly simple.


Once you buy it, you'll receive installation instructions and a QR code via email or KakaoTalk.
Just scan the QR code to start the installation,
and follow the guide provided by USIMSA.
You'll be fully set up in about 3 minutes!
I completed the installation at home before heading to the airport,
and as soon as I landed and activated it, it worked instantly.
Depending on your destination,
the rules for installing before departure vs. on arrival might differ,
so make sure to check the installation guidelines when you purchase.

Even if you run into any issues during setup,
USIMSA offers 24-hour customer support via KakaoTalk
so you can get help anytime.
Knowing there's someone you can reach out to
when something goes wrong abroad is a huge peace of mind.

If you're planning a trip abroad and on the fence about getting an eSIM,
I highly recommend getting it sorted before you fly!
You can also grab the USIMSA eSIM I used
with a 20% discount,
so be sure to find the perfect plan for your travel dates.
▼Get 20% off and purchase your USIMSA eSIM here▼
USIMSA: The Travel Essential Loved by 8 Million Explorers
Wrapping Up


After using it firsthand on my recent trip to Turkey and Greece,
I can confidently say that USIMSA eSIM is a fantastic choice
for anyone prepping for a European adventure.

✔ No need to swap physical SIM cards
✔ Connects automatically when moving between European countries
✔ Comprehensive installation guide provided
✔ 24/7 KakaoTalk customer support
✔ Way cheaper than traditional carrier roaming
Plus, you can grab that 20% discount right now,
so if you're looking for an eSIM for your next trip,
go ahead and check out the best plans for your itinerary!
Hope this helps someone out there planning their next journey! 😉
Until next time, happy travels! 🤗
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Frequently Asked Questions
How should I set up the USIMSA 42-Country Europe eSIM when traveling from Istanbul, Turkey, to Crete, Greece?
It automatically connects to the local network without the need to change the SIM card or alter any settings. You can use it immediately and conveniently, just like moving between regions in your home country.
When should I install the USIMSA eSIM, and how long does it take?
You can install it in advance before leaving Korea by scanning the QR code received via email or KakaoTalk. If you follow the provided manual, the setup will be completed in about 3 minutes.
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